1. Pontificia Universidad Católica de Chile; Department of Family Medicine, Evidence Based Health Care Program, Faculty of Medicine; Lira 44, Decanto Medicina Santiago Metropolitana Chile
2. Pontificia Universidad Católica de Chile; Health Policy and Systems Research Unit, Evidence Based Health Care Program, Faculty of Medicine; Lira 44, Decanato Primer piso Santiago Región Metropolitana Chile
3. Pontificia Universidad Católica de Chile; Department of Family Medicine, Faculty of Medicine; Santiago Metropolitana Chile